* add tests for privacy mode settings
* test privacy mode settings for member role
* test default language settings
* test denied keys interface for each role
* test adding new member interface depending on role
* test member details depending on role
* test invite button is disabled pending on user role
* fix test compilation
* fix aliases on member page
* add tests for aliases on member.GetByID and ByFeed
* fix admin tests
* use webassert helper for flash messages
* fix flashes